ISO/DIS 13164-2

This Draft International Standard is in the enquiry phase with ISO members.

Will replace ISO 13164-2:2013

ISO/DIS 13164-2

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Abstract

ISO 13164-2:2013 specifies a test method for the determination of radon-222 activity concentration in a sample of water following the measurement of its short-lived decay products by direct gamma-spectrometry of the water sample.

The radon-222 activity concentrations, which can be measured by this test method utilizing currently available gamma-ray instruments, range from a few becquerels per litre to several hundred thousand becquerels per litre for a 1 l test sample.

This test method can be used successfully with drinking water samples. The laboratory is responsible for ensuring the validity of this test method for water samples of untested matrices.

An annex gives indications on the necessary counting conditions to meet the required sensitivity for drinking water monitoring.

General information

Status
: Under development

You can help develop this draft international standard by contacting your national member

Stage
: DIS ballot initiated: 12 weeks [40.20]
Edition
: 2

Number of pages
: 14
Technical Committee :
ISO/TC 147/SC 3

ICS :
13.280 17.240 13.060.60
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